Harmony generating circuit for a musical instrument

Details Harmony generating circuit for a musical instrument Harmony generating circuit for a musical instrument

1980-06-27

1981-11-17

Witkowski, S. J.

Music

Instruments

84 127, 84DIG22, G10H 136, G10H 146

Patent

active

043004334

ABSTRACT:
A harmony generating circuit generates high harmony signals in response to coincident lower manual accompaniment signals and upper manual melody signals. Gating circuitry responsive to coincident inputs from accompaniment chords played on the lower manual and melody notes played on the upper manual generate harmony notes on the upper manual which correspond to the accompaniment notes played on the lower manual but are above the melody notes and approximately within one octave of the melody notes.

REFERENCES:
patent: Re29144 (1977-03-01), Bunger
patent: 2557133 (1951-06-01), Mork
patent: 3247310 (1966-04-01), Stinson, Jr.
patent: 3629480 (1971-12-01), Harris
patent: 3711618 (1973-01-01), Freeman
patent: 3717715 (1973-02-01), Jordy
patent: 3839592 (1974-10-01), Freeman
patent: 3844192 (1974-10-01), Brand et al.
patent: 3889568 (1975-06-01), Amaya
patent: 4072078 (1978-02-01), Shallenberger et al.
patent: 4205576 (1980-06-01), Deutsch et al.

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